1 files changed, 183 insertions, 1 deletions
diff --git a/cc/thread_proxy.h b/cc/thread_proxy.h
index 638cbb2..a6ea6ac 100644
--- a/cc/thread_proxy.h
+++ b/cc/thread_proxy.h
@@ -1,3 +1,185 @@
-// Copyright 2012 The Chromium Authors. All rights reserved.
+// Copyright 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
+
+#ifndef CCThreadProxy_h
+#define CCThreadProxy_h
+
+#include "CCAnimationEvents.h"
+#include "CCCompletionEvent.h"
+#include "CCLayerTreeHostImpl.h"
+#include "CCProxy.h"
+#include "CCScheduler.h"
+#include "CCTextureUpdateController.h"
+#include <base/time.h>
+#include <wtf/OwnPtr.h>
+
+namespace cc {
+
+class CCInputHandler;
+class CCLayerTreeHost;
+class CCScheduler;
+class CCScopedThreadProxy;
+class CCTextureUpdateQueue;
+class CCThread;
+class CCThreadProxyContextRecreationTimer;
+
+class CCThreadProxy : public CCProxy, CCLayerTreeHostImplClient, CCSchedulerClient, CCTextureUpdateControllerClient {
+public:
+    static scoped_ptr<CCProxy> create(CCLayerTreeHost*);
+
+    virtual ~CCThreadProxy();
+
+    // CCProxy implementation
+    virtual bool compositeAndReadback(void *pixels, const IntRect&) OVERRIDE;
+    virtual void startPageScaleAnimation(const IntSize& targetPosition, bool useAnchor, float scale, double duration) OVERRIDE;
+    virtual void finishAllRendering() OVERRIDE;
+    virtual bool isStarted() const OVERRIDE;
+    virtual bool initializeContext() OVERRIDE;
+    virtual void setSurfaceReady() OVERRIDE;
+    virtual void setVisible(bool) OVERRIDE;
+    virtual bool initializeRenderer() OVERRIDE;
+    virtual bool recreateContext() OVERRIDE;
+    virtual void renderingStats(CCRenderingStats*) OVERRIDE;
+    virtual const RendererCapabilities& rendererCapabilities() const OVERRIDE;
+    virtual void loseContext() OVERRIDE;
+    virtual void setNeedsAnimate() OVERRIDE;
+    virtual void setNeedsCommit() OVERRIDE;
+    virtual void setNeedsRedraw() OVERRIDE;
+    virtual bool commitRequested() const OVERRIDE;
+    virtual void didAddAnimation() OVERRIDE { }
+    virtual void start() OVERRIDE;
+    virtual void stop() OVERRIDE;
+    virtual size_t maxPartialTextureUpdates() const OVERRIDE;
+    virtual void acquireLayerTextures() OVERRIDE;
+    virtual void forceSerializeOnSwapBuffers() OVERRIDE;
+
+    // CCLayerTreeHostImplClient implementation
+    virtual void didLoseContextOnImplThread() OVERRIDE;
+    virtual void onSwapBuffersCompleteOnImplThread() OVERRIDE;
+    virtual void onVSyncParametersChanged(double monotonicTimebase, double intervalInSeconds) OVERRIDE;
+    virtual void onCanDrawStateChanged(bool canDraw) OVERRIDE;
+    virtual void setNeedsRedrawOnImplThread() OVERRIDE;
+    virtual void setNeedsCommitOnImplThread() OVERRIDE;
+    virtual void postAnimationEventsToMainThreadOnImplThread(scoped_ptr<CCAnimationEventsVector>, double wallClockTime) OVERRIDE;
+    virtual void releaseContentsTexturesOnImplThread() OVERRIDE;
+
+    // CCSchedulerClient implementation
+    virtual void scheduledActionBeginFrame() OVERRIDE;
+    virtual CCScheduledActionDrawAndSwapResult scheduledActionDrawAndSwapIfPossible() OVERRIDE;
+    virtual CCScheduledActionDrawAndSwapResult scheduledActionDrawAndSwapForced() OVERRIDE;
+    virtual void scheduledActionCommit() OVERRIDE;
+    virtual void scheduledActionBeginContextRecreation() OVERRIDE;
+    virtual void scheduledActionAcquireLayerTexturesForMainThread() OVERRIDE;
+    virtual void didAnticipatedDrawTimeChange(base::TimeTicks) OVERRIDE;
+
+    // CCTextureUpdateControllerClient implementation
+    virtual void readyToFinalizeTextureUpdates() OVERRIDE;
+
+private:
+    explicit CCThreadProxy(CCLayerTreeHost*);
+    friend class CCThreadProxyContextRecreationTimer;
+
+    // Set on impl thread, read on main thread.
+    struct BeginFrameAndCommitState {
+        BeginFrameAndCommitState();
+        ~BeginFrameAndCommitState();
+
+        double monotonicFrameBeginTime;
+        scoped_ptr<CCScrollAndScaleSet> scrollInfo;
+        WebKit::WebTransformationMatrix implTransform;
+        CCPrioritizedTextureManager::BackingVector evictedContentsTexturesBackings;
+        size_t memoryAllocationLimitBytes;
+    };
+    OwnPtr<BeginFrameAndCommitState> m_pendingBeginFrameRequest;
+
+    // Called on main thread
+    void beginFrame();
+    void didCommitAndDrawFrame();
+    void didCompleteSwapBuffers();
+    void setAnimationEvents(CCAnimationEventsVector*, double wallClockTime);
+    void beginContextRecreation();
+    void tryToRecreateContext();
+
+    // Called on impl thread
+    struct ReadbackRequest {
+        CCCompletionEvent completion;
+        bool success;
+        void* pixels;
+        IntRect rect;
+    };
+    void forceBeginFrameOnImplThread(CCCompletionEvent*);
+    void beginFrameCompleteOnImplThread(CCCompletionEvent*, PassOwnPtr<CCTextureUpdateQueue>);
+    void beginFrameAbortedOnImplThread();
+    void requestReadbackOnImplThread(ReadbackRequest*);
+    void requestStartPageScaleAnimationOnImplThread(IntSize targetPosition, bool useAnchor, float scale, double durationSec);
+    void finishAllRenderingOnImplThread(CCCompletionEvent*);
+    void initializeImplOnImplThread(CCCompletionEvent*, CCInputHandler*);
+    void setSurfaceReadyOnImplThread();
+    void setVisibleOnImplThread(CCCompletionEvent*, bool);
+    void initializeContextOnImplThread(CCGraphicsContext*);
+    void initializeRendererOnImplThread(CCCompletionEvent*, bool* initializeSucceeded, RendererCapabilities*);
+    void layerTreeHostClosedOnImplThread(CCCompletionEvent*);
+    void setFullRootLayerDamageOnImplThread();
+    void acquireLayerTexturesForMainThreadOnImplThread(CCCompletionEvent*);
+    void recreateContextOnImplThread(CCCompletionEvent*, CCGraphicsContext*, bool* recreateSucceeded, RendererCapabilities*);
+    void renderingStatsOnImplThread(CCCompletionEvent*, CCRenderingStats*);
+    CCScheduledActionDrawAndSwapResult scheduledActionDrawAndSwapInternal(bool forcedDraw);
+    void forceSerializeOnSwapBuffersOnImplThread(CCCompletionEvent*);
+    void setNeedsForcedCommitOnImplThread();
+
+    // Accessed on main thread only.
+    bool m_animateRequested; // Set only when setNeedsAnimate is called.
+    bool m_commitRequested; // Set only when setNeedsCommit is called.
+    bool m_commitRequestSentToImplThread; // Set by setNeedsCommit and setNeedsAnimate.
+    bool m_forcedCommitRequested;
+    OwnPtr<CCThreadProxyContextRecreationTimer> m_contextRecreationTimer;
+    CCLayerTreeHost* m_layerTreeHost;
+    bool m_rendererInitialized;
+    RendererCapabilities m_RendererCapabilitiesMainThreadCopy;
+    bool m_started;
+    bool m_texturesAcquired;
+    bool m_inCompositeAndReadback;
+
+    scoped_ptr<CCLayerTreeHostImpl> m_layerTreeHostImpl;
+
+    scoped_ptr<CCInputHandler> m_inputHandlerOnImplThread;
+
+    OwnPtr<CCScheduler> m_schedulerOnImplThread;
+
+    RefPtr<CCScopedThreadProxy> m_mainThreadProxy;
+
+    // Holds on to the context we might use for compositing in between initializeContext()
+    // and initializeRenderer() calls.
+    scoped_ptr<CCGraphicsContext> m_contextBeforeInitializationOnImplThread;
+
+    // Set when the main thread is waiting on a scheduledActionBeginFrame to be issued.
+    CCCompletionEvent* m_beginFrameCompletionEventOnImplThread;
+
+    // Set when the main thread is waiting on a readback.
+    ReadbackRequest* m_readbackRequestOnImplThread;
+
+    // Set when the main thread is waiting on a commit to complete.
+    CCCompletionEvent* m_commitCompletionEventOnImplThread;
+
+    // Set when the main thread is waiting on layers to be drawn.
+    CCCompletionEvent* m_textureAcquisitionCompletionEventOnImplThread;
+
+    OwnPtr<CCTextureUpdateController> m_currentTextureUpdateControllerOnImplThread;
+
+    // Set when we need to reset the contentsTexturesPurged flag after the
+    // commit.
+    bool m_resetContentsTexturesPurgedAfterCommitOnImplThread;
+
+    // Set when the next draw should post didCommitAndDrawFrame to the main thread.
+    bool m_nextFrameIsNewlyCommittedFrameOnImplThread;
+
+    bool m_renderVSyncEnabled;
+
+    base::TimeDelta m_totalCommitTime;
+    size_t m_totalCommitCount;
+};
+
+}
+
+#endif